static void add_rect_to_clip(const GrClip& clip, const SkRect& devRect, GrClip* out) {
switch (clip.clipType()) {
case GrClip::kClipStack_ClipType: {
SkClipStack* stack = new SkClipStack;
*stack = *clip.clipStack();
// The stack is actually in clip space not device space.
SkRect clipRect = devRect;
SkPoint origin = { SkIntToScalar(clip.origin().fX), SkIntToScalar(clip.origin().fY) };
clipRect.offset(origin);
SkIRect iclipRect;
clipRect.roundOut(&iclipRect);
clipRect = SkRect::Make(iclipRect);
stack->clipDevRect(clipRect, SkRegion::kIntersect_Op, false);
out->setClipStack(stack, &clip.origin());
break;
}
case GrClip::kWideOpen_ClipType:
*out = GrClip(devRect);
break;
case GrClip::kIRect_ClipType: {
SkIRect intersect;
devRect.roundOut(&intersect);
if (intersect.intersect(clip.irect())) {
*out = GrClip(intersect);
} else {
*out = clip;
}
break;
}
}
}
// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
// to the render target
static void test_clip_bounds(skiatest::Reporter* reporter, GrContext* context) {
static const int kXSize = 100;
static const int kYSize = 100;
GrTextureDesc desc;
desc.fFlags = kRenderTarget_GrTextureFlagBit;
desc.fConfig = kAlpha_8_GrPixelConfig;
desc.fWidth = kXSize;
desc.fHeight = kYSize;
GrTexture* texture = context->createUncachedTexture(desc, NULL, 0);
if (!texture) {
return;
}
SkAutoUnref au(texture);
SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
SkRect screen;
screen = SkRect::MakeWH(SkIntToScalar(kXSize),
SkIntToScalar(kYSize));
SkRect clipRect(screen);
clipRect.outset(10, 10);
// create a clip stack that will (trivially) reduce to a single rect that
// is larger than the screen
SkClipStack stack;
stack.clipDevRect(clipRect, SkRegion::kReplace_Op, false);
bool isIntersectionOfRects = true;
SkRect devStackBounds;
stack.getConservativeBounds(0, 0, kXSize, kYSize,
&devStackBounds,
&isIntersectionOfRects);
// make sure that the SkClipStack is behaving itself
REPORTER_ASSERT(reporter, screen == devStackBounds);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
// wrap the SkClipStack in a GrClipData
GrClipData clipData;
clipData.fClipStack = &stack;
SkIRect devGrClipDataBound;
clipData.getConservativeBounds(texture,
&devGrClipDataBound,
&isIntersectionOfRects);
// make sure that GrClipData is behaving itself
REPORTER_ASSERT(reporter, intScreen == devGrClipDataBound);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
}
void SkSVGDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bm, const SkRect* srcOrNull,
const SkRect& dst, const SkPaint& paint,
SkCanvas::SrcRectConstraint) {
SkMatrix adjustedMatrix;
adjustedMatrix.setRectToRect(srcOrNull ? *srcOrNull : SkRect::Make(bm.bounds()),
dst,
SkMatrix::kFill_ScaleToFit);
adjustedMatrix.postConcat(*draw.fMatrix);
SkDraw adjustedDraw(draw);
adjustedDraw.fMatrix = &adjustedMatrix;
SkClipStack adjustedClipStack;
if (srcOrNull && *srcOrNull != SkRect::Make(bm.bounds())) {
adjustedClipStack = *draw.fClipStack;
adjustedClipStack.clipRect(dst, *draw.fMatrix, SkCanvas::kIntersect_Op,
paint.isAntiAlias());
adjustedDraw.fClipStack = &adjustedClipStack;
}
drawBitmapCommon(adjustedDraw, bm, paint);
}
////////////////////////////////////////////////////////////////////////////////
// verify that the top state of the stack matches the passed in state
static void check_state(skiatest::Reporter* reporter,
const GrClipMaskCache& cache,
const SkClipStack& clip,
GrTexture* mask,
const SkIRect& bound) {
REPORTER_ASSERT(reporter, clip.getTopmostGenID() == cache.getLastClipGenID());
REPORTER_ASSERT(reporter, mask == cache.getLastMask());
SkIRect cacheBound;
cache.getLastBound(&cacheBound);
REPORTER_ASSERT(reporter, bound == cacheBound);
}
// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
// to the render target
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrClipBounds, reporter, ctxInfo) {
static const int kXSize = 100;
static const int kYSize = 100;
const SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
const SkRect screen = SkRect::Make(intScreen);
SkRect clipRect(screen);
clipRect.outset(10, 10);
// create a clip stack that will (trivially) reduce to a single rect that
// is larger than the screen
SkClipStack stack;
stack.clipRect(clipRect, SkMatrix::I(), kReplace_SkClipOp, false);
bool isIntersectionOfRects = true;
SkRect devStackBounds;
stack.getConservativeBounds(0, 0, kXSize, kYSize,
&devStackBounds,
&isIntersectionOfRects);
// make sure that the SkClipStack is behaving itself
REPORTER_ASSERT(reporter, screen == devStackBounds);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
// wrap the SkClipStack in a GrClip
GrClipStackClip clipData(&stack);
SkIRect devGrClipBound;
clipData.getConservativeBounds(kXSize, kYSize,
&devGrClipBound,
&isIntersectionOfRects);
// make sure that GrClip is behaving itself
REPORTER_ASSERT(reporter, intScreen == devGrClipBound);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
}
void SkSVGDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bm, const SkRect* srcOrNull,
const SkRect& dst, const SkPaint& paint,
SK_VIRTUAL_CONSTRAINT_TYPE) {
SkMatrix adjustedMatrix;
adjustedMatrix.setRectToRect(srcOrNull ? *srcOrNull : SkRect::Make(bm.bounds()),
dst,
SkMatrix::kFill_ScaleToFit);
adjustedMatrix.postConcat(*draw.fMatrix);
SkDraw adjustedDraw(draw);
adjustedDraw.fMatrix = &adjustedMatrix;
SkClipStack adjustedClipStack;
if (srcOrNull && *srcOrNull != SkRect::Make(bm.bounds())) {
SkRect devClipRect;
draw.fMatrix->mapRect(&devClipRect, dst);
adjustedClipStack = *draw.fClipStack;
adjustedClipStack.clipDevRect(devClipRect, SkRegion::kIntersect_Op, paint.isAntiAlias());
adjustedDraw.fClipStack = &adjustedClipStack;
}
drawBitmapCommon(adjustedDraw, bm, paint);
}
bool SkClipStack::operator==(const SkClipStack& b) const {
if (this->getTopmostGenID() == b.getTopmostGenID()) {
return true;
}
if (fSaveCount != b.fSaveCount ||
fDeque.count() != b.fDeque.count()) {
return false;
}
SkDeque::F2BIter myIter(fDeque);
SkDeque::F2BIter bIter(b.fDeque);
const Element* myElement = (const Element*)myIter.next();
const Element* bElement = (const Element*)bIter.next();
while (myElement != nullptr && bElement != nullptr) {
if (*myElement != *bElement) {
return false;
}
myElement = (const Element*)myIter.next();
bElement = (const Element*)bIter.next();
}
return myElement == nullptr && bElement == nullptr;
}
////////////////////////////////////////////////////////////////////////////////
// basic test of the cache's base functionality:
// push, pop, set, canReuse & getters
static void test_cache(skiatest::Reporter* reporter, GrContext* context) {
if (false) { // avoid bit rot, suppress warning
createTexture(context);
}
GrClipMaskCache cache;
cache.setContext(context);
SkClipStack emptyClip;
emptyClip.reset();
GrIRect emptyBound;
emptyBound.setEmpty();
// check initial state
check_state(reporter, cache, emptyClip, NULL, emptyBound);
// set the current state
GrIRect bound1;
bound1.set(0, 0, 100, 100);
SkClipStack clip1(bound1);
GrTextureDesc desc;
desc.fFlags = kRenderTarget_GrTextureFlagBit;
desc.fWidth = X_SIZE;
desc.fHeight = Y_SIZE;
desc.fConfig = kSkia8888_PM_GrPixelConfig;
cache.acquireMask(clip1, desc, bound1);
GrTexture* texture1 = cache.getLastMask();
REPORTER_ASSERT(reporter, texture1);
if (NULL == texture1) {
return;
}
// check that the set took
check_state(reporter, cache, clip1, texture1, bound1);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
// push the state
cache.push();
// verify that the pushed state is initially empty
check_state(reporter, cache, emptyClip, NULL, emptyBound);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
// modify the new state
GrIRect bound2;
bound2.set(-10, -10, 10, 10);
SkClipStack clip2(bound2);
cache.acquireMask(clip2, desc, bound2);
GrTexture* texture2 = cache.getLastMask();
REPORTER_ASSERT(reporter, texture2);
if (NULL == texture2) {
return;
}
// check that the changes took
check_state(reporter, cache, clip2, texture2, bound2);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
// check to make sure canReuse works
REPORTER_ASSERT(reporter, cache.canReuse(clip2, bound2));
REPORTER_ASSERT(reporter, !cache.canReuse(clip1, bound1));
// pop the state
cache.pop();
// verify that the old state is restored
check_state(reporter, cache, clip1, texture1, bound1);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
// manually clear the state
cache.reset();
// verify it is now empty
check_state(reporter, cache, emptyClip, NULL, emptyBound);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
// pop again - so there is no state
cache.pop();
#if !defined(SK_DEBUG)
// verify that the getters don't crash
// only do in release since it generates asserts in debug
check_state(reporter, cache, emptyClip, NULL, emptyBound);
#endif
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
}
